High-rise building SHM system based on LORA + BIM technology

Abstract

The invention discloses a high-rise building SHM system based on the LORA + BIM technology, and belongs to the technical field of intelligent buildings. The system comprises a LoRa data acquisition and transmission subsystem, a data processing subsystem and a BIM visual evaluation analysis subsystem; the LoRa data acquisition and transmission subsystem comprises a plurality of sensors, a plurality of LoRa terminals and a LoRa gateway; LoRa terminal nodes send acquired signals to the LoRa gateway through a LoRaWAN network, the LoRa gateway sends the data to a network server through a wireless 4G network, the sensors are connected with the LoRa terminals through serial ports, and the plurality of LoRa terminals correspond to one LoRa gateway to form a star-shaped networking mode. According to the invention, wireless data acquisition, data management and monitoring information visualization analysis are integrated to realize high-rise building SHM monitoring, and a certain significance is provided for expanding the application of the LoRa technology in the SHM field. BIM secondary development modeling is combined with structural model analysis, an information database storage and visualization method is researched, and a thought is provided for high-rise building monitoring information management.

Description

technical field [0001] The invention relates to the field of smart building technology, in particular to a high-rise building SHM system based on LORA+BIM technology. Background technique [0002] In recent years, with the rapid development of my country's economy, social productivity and people's living standards have been continuously improved, and the process of urbanization has also been accelerated. Due to the relatively concentrated urban population, the tight supply of urban construction land, and the increasing diversity and complexity of human requirements for building structures, high-rise and super high-rise buildings can effectively use land resources and alleviate urban land shortages, and at the same time become a symbol of urban modernization . According to statistics, there are close to 5,000 super high-rise buildings (above 100m) planned and built in my country. The structure of these large buildings is more complex. During the period from construction to ...

AI Technical Summary

Problems solved by technology

[0005] (1) Most of the research focuses on structural damage identification, data processing and analysis, and sensor layout optimization, and there are few researches on the integration and development of the whole-process integrated health monitoring system;

[0006] (2) At this stage, it is common to use Zigbee, WiFi, 6LoWPAN and other standard WSNs to build SHM application platforms. Compared with the wireless communication technology, the use of LoRa spread spectrum communication technology will have a longer communication distance and stronger Anti-interference and higher transmission efficiency have been widely used in fields such as smart agriculture, logistics tracking and smart industry, but it is relatively rare to use LoRa standard WSN to realize SHM application platform. At present, the application research of LoRa standard in SHM is in its infancy;

[0007] (3) Most studies only focus on the acquisition and processing of monitoring data, and the research results of monitoring information visualization lack monitoring information sharing and interaction mechanisms, which cannot make good use of the synergistic effect between monitoring information and other project participants

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